<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/examples/richtext/richtext.doc:4 --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Richtext</title> <style type="text/css"><!-- fn { margin-left: 1cm; text-indent: -1cm; } a:link { color: #004faf; text-decoration: none } a:visited { color: #672967; text-decoration: none } body { background: #ffffff; color: black; } --></style> </head> <body> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr bgcolor="#E5E5E5"> <td valign=center> <a href="index.html"> <font color="#004faf">Home</font></a> | <a href="classes.html"> <font color="#004faf">All Classes</font></a> | <a href="mainclasses.html"> <font color="#004faf">Main Classes</font></a> | <a href="annotated.html"> <font color="#004faf">Annotated</font></a> | <a href="groups.html"> <font color="#004faf">Grouped Classes</font></a> | <a href="functions.html"> <font color="#004faf">Functions</font></a> </td> <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>Richtext</h1> <p> In this example we demonstrate how to display rich text in a widget. To do this some sayings taken from the famous Unix "fortune" are displayed nicely formatted. <p> <hr> <p> Header file: <p> <pre>/**************************************************************************** ** $Id: qt/richtext.h 3.3.8 edited Jan 11 14:37 $ ** ** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. ** ** This file is part of an example program for TQt. This example ** program may be used, distributed and modified without limitation. ** *****************************************************************************/ #ifndef RICHTEXT_H #define RICHTEXT_H #include <<a href="qvbox-h.html">ntqvbox.h</a>> class TQTextView; class TQPushButton; class MyRichText : public <a href="ntqvbox.html">TQVBox</a> { <a href="metaobjects.html#TQ_OBJECT">TQ_OBJECT</a> public: MyRichText( <a href="ntqwidget.html">TQWidget</a> *parent = 0, const char *name = 0 ); protected: <a href="ntqtextview.html">TQTextView</a> *view; <a href="ntqpushbutton.html">TQPushButton</a> *bClose, *bNext, *bPrev; int num; protected slots: void prev(); void next(); }; #endif </pre> <p> <hr> <p> Implementation: <p> <pre>/**************************************************************************** ** $Id: qt/richtext.cpp 3.3.8 edited Jan 11 14:37 $ ** ** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. ** ** This file is part of an example program for TQt. This example ** program may be used, distributed and modified without limitation. ** *****************************************************************************/ #include "richtext.h" #include <<a href="qhbox-h.html">ntqhbox.h</a>> #include <<a href="qhbox-h.html">ntqhbox.h</a>> #include <<a href="qpushbutton-h.html">ntqpushbutton.h</a>> #include <<a href="qtextview-h.html">ntqtextview.h</a>> #include <<a href="qbrush-h.html">ntqbrush.h</a>> #include <<a href="qapplication-h.html">ntqapplication.h</a>> static const char* sayings[] = { "<b>Saying 1:</b><br>" "<hr><br><br>" "<big>Evil is that which one believes of others. It is a sin to believe evil " "of others, but it is seldom a mistake.</big><br><br>" "<center><i>-- H.L. Mencken</i></center>", "<b>Saying 2:</b><br>" "<hr><br><br>" "<big>A well-used door needs no oil on its hinges.<br>" "A swift-flowing steam does not grow stagnant.<br>" "Neither sound nor thoughts can travel through a vacuum.<br>" "Software rots if not used.<br><br>" "These are great mysteries.</big><br><br>" "<center><i>-- Geoffrey James, \"The Tao of Programming\"</i></center>", "<b>Saying 3:</b><br>" "<hr><br><br>" "<big>Show business is just like high school, except you get paid.</big><br><br>" "<center><i>-- Martin Mull</i></center>", "<b>Saying 4:</b><br>" "<hr><br><br>" "<big><b>The Least Successful Executions</b><br>" "<twocolumn><p> History has furnished us with two executioners worthy of attention. " "The first performed in Sydney in Australia. In 1803 three attempts were " "made to hang a Mr. Joseph Samuels. On the first two of these the rope " "snapped, while on the third Mr. Samuels just hung there peacefully until he " "and everyone else got bored. Since he had proved unsusceptible to capital " "punishment, he was reprieved.</p>" "<p> The most important British executioner was Mr. James Berry who " "tried three times in 1885 to hang Mr. John Lee at Exeter Jail, but on each " "occasion failed to get the trap door open.<!p>" "<p> In recognition of this achievement, the Home Secretary commuted " "Lee's sentence to \"life\" imprisonment. He was released in 1917, emigrated " "to America and lived until 1933.</p></twocolumn></big><br><br>" "<center><i>-- Stephen Pile, \"The Book of Heroic Failures\"</i></center>", "<b>Saying 5:</b><br>" "<hr><br><br>" "<big>If you can, help others. If you can't, at least don't hurt others.</big><br><br>" "<center><i>-- the Dalai Lama</i></center>", "<b>Saying 6:</b><br>" "<hr><br><br>" "<big>Television has brought back murder into the home -- where it belongs.</big><br><br>" "<center><i>-- Alfred Hitchcock</i></center>", "<b>Saying 7:</b><br>" "<hr><br><br>" "<big>I don't know who my grandfather was; I am much more concerned to know " "what his grandson will be.</big><br><br>" "<center><i>-- Abraham Lincoln</i></center>", 0 }; <a name="f255"></a>MyRichText::MyRichText( <a href="ntqwidget.html">TQWidget</a> *parent, const char *name ) : <a href="ntqvbox.html">TQVBox</a>( parent, name ) { <a href="ntqframe.html#setMargin">setMargin</a>( 5 ); view = new <a href="ntqtextview.html">TQTextView</a>( this ); <a name="x465"></a> view-><a href="ntqtextedit.html#setText">setText</a>( "This is a <b>Test</b> with <i>italic</i> <u>stuff</u>" ); <a href="ntqbrush.html">TQBrush</a> paper; <a name="x461"></a> paper.<a href="ntqbrush.html#setPixmap">setPixmap</a>( TQPixmap( "../richtext/marble.png" ) ); <a name="x460"></a> if ( paper.<a href="ntqbrush.html#pixmap">pixmap</a>() != 0 ) <a name="x464"></a> view-><a href="ntqtextedit.html#setPaper">setPaper</a>( paper ); else view-><a href="ntqtextedit.html#setPaper">setPaper</a>( white ); view-><a href="ntqtextedit.html#setText">setText</a>( sayings[0] ); <a name="x467"></a> view-><a href="ntqwidget.html#setMinimumSize">setMinimumSize</a>( 450, 250 ); <a href="ntqhbox.html">TQHBox</a> *buttons = new <a href="ntqhbox.html">TQHBox</a>( this ); buttons-><a href="ntqframe.html#setMargin">setMargin</a>( 5 ); bClose = new <a href="ntqpushbutton.html">TQPushButton</a>( "&Close", buttons ); bPrev = new <a href="ntqpushbutton.html">TQPushButton</a>( "<< &Prev", buttons ); bNext = new <a href="ntqpushbutton.html">TQPushButton</a>( "&Next >>", buttons ); <a name="x466"></a> bPrev-><a href="ntqwidget.html#setEnabled">setEnabled</a>( FALSE ); <a name="x462"></a> <a href="ntqobject.html#connect">connect</a>( bClose, SIGNAL( <a href="ntqbutton.html#clicked">clicked</a>() ), tqApp, SLOT( <a href="ntqapplication.html#quit">quit</a>() ) ); <a href="ntqobject.html#connect">connect</a>( bPrev, SIGNAL( <a href="ntqbutton.html#clicked">clicked</a>() ), this, SLOT( prev() ) ); <a href="ntqobject.html#connect">connect</a>( bNext, SIGNAL( <a href="ntqbutton.html#clicked">clicked</a>() ), this, SLOT( next() ) ); num = 0; } void <a name="f256"></a>MyRichText::prev() { if ( num <= 0 ) return; num--; view-><a href="ntqtextedit.html#setText">setText</a>( sayings[num] ); if ( num == 0 ) bPrev-><a href="ntqwidget.html#setEnabled">setEnabled</a>( FALSE ); bNext-><a href="ntqwidget.html#setEnabled">setEnabled</a>( TRUE ); } void <a name="f257"></a>MyRichText::next() { if ( !sayings[++num] ) return; view-><a href="ntqtextedit.html#setText">setText</a>( sayings[num] ); if ( !sayings[num + 1] ) bNext-><a href="ntqwidget.html#setEnabled">setEnabled</a>( FALSE ); bPrev-><a href="ntqwidget.html#setEnabled">setEnabled</a>( TRUE ); } </pre> <p> <hr> <p> Main: <p> <pre>/**************************************************************************** ** $Id: qt/main.cpp 3.3.8 edited Jan 11 14:37 $ ** ** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. ** ** This file is part of an example program for TQt. This example ** program may be used, distributed and modified without limitation. ** *****************************************************************************/ #include "richtext.h" #include <<a href="qapplication-h.html">ntqapplication.h</a>> int main( int argc, char **argv ) { <a href="ntqapplication.html">TQApplication</a> a( argc, argv ); MyRichText richtext; richtext.<a href="ntqwidget.html#resize">resize</a>( 450, 350 ); richtext.<a href="ntqwidget.html#setCaption">setCaption</a>( "TQt Example - Richtext" ); a.<a href="ntqapplication.html#setMainWidget">setMainWidget</a>( &richtext ); richtext.<a href="ntqwidget.html#show">show</a>(); return a.<a href="ntqapplication.html#exec">exec</a>(); } </pre> <p>See also <a href="examples.html">Examples</a>. <!-- eof --> <p><address><hr><div align=center> <table width=100% cellspacing=0 border=0><tr> <td>Copyright © 2007 <a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> <td align=right><div align=right>TQt 3.3.8</div> </table></div></address></body> </html>